USB Serial Port Problems

I have a D21G connected a computer running Ubuntu 18.04.  I am using the USB serial connnection to communicate.  However, I have noticed that the usb serial connection will dissappear after several reboots of the computer without a power cycle of the D21G.  It usually takes about 12 to 15 reboots.  Is there additional handling that is required on either end to properly close the connection?

Garrett Anderson
Garrett Anderson
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Asked on 11/10/20, 2:12 AM
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Asked: 11/10/20, 2:12 AM
Seen: 31 times
Last updated: 11/10/20, 2:12 AM